#include<iostream>
#include<conio.h>
using namespace std;
namespace first_space
{
	void func()
	{
		cout << "inside first_space" << endl;
	}

}
namespace second_space
{
	void func()
	{
		cout << "inside second_space" << endl;

	}
}
using namespace first_space;
int main()
{
	func();
	//return 0;
	_getch();
}